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Run with Confidence
The Guide 18 elevates comfort to new heights with enhanced PWRRUN cushioning, providing more protection than ever before
Size Guide
| UK Size | Chest (in) | Waist (in) |
|---|---|---|
| XS | 33.1 – 34.384.1 – 87.1 | 27.6 – 28.770.1 – 72.9 |
| S | 34.6 – 35.887.9 – 90.9 | 29.1 – 30.373.9 – 76.9 |
| M | 36.2 – 37.491.9 – 95.0 | 30.7 – 31.978.0 – 81.0 |
| L | 37.8 – 40.696.0 – 103.1 | 32.3 – 35.082.0 – 88.9 |
| XL | 40.9 – 44.5103.9 – 113.0 | 35.4 – 39.489.9 – 100.1 |
| 2XL | 44.9 – 48.4114.0 – 122.9 | 39.8 – 43.7101.1 – 111.0 |
| 3XL | 48.8 – 53.1123.9 – 134.9 | 44.1 – 48.4112.0 – 122.9 |
| UK Size | Low Hip (in) | Waist (in) |
|---|---|---|
| XS | 31.5 – 33.580.0 – 85.1 | 26.0 – 28.066.0 – 71.1 |
| S | 33.9 – 35.886.1 – 90.9 | 28.3 – 30.371.9 – 76.9 |
| M | 36.2 – 38.291.9 – 97.0 | 30.7 – 32.778.0 – 83.1 |
| L | 38.6 – 40.998.0 – 103.9 | 33.1 – 35.084.1 – 88.9 |
| XL | 41.3 – 43.7104.9 – 111.0 | 35.4 – 38.289.9 – 97.0 |
| 2XL | 44.1 – 46.5112.0 – 118.1 | 38.6 – 41.398.0 – 104.9 |
| 3XL | 46.9 – 49.6119.1 – 126.0 | 41.7 – 44.5105.9 – 113.0 |
1- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
2- Chest: Wrap a tape measure around your back and measure the fullest part of your chest. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
3- Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
4- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| UK Size | Low Hip (in) | Waist (in) |
|---|---|---|
| 2XS | .5 – 32.780.0 – 83.122.8 – 24.457.9 – 62.0 | |
| XS | 33.1 – 34.384.1 – 87.1 | 24.4 – 25.662.0 – 65.0 |
| S | 34.6 – 35.887.9 – 90.9 | 26.0 – 27.266.0 – 69.1 |
| M | 36.2 – 37.491.9 – 95.0 | 27.6 – 28.770.1 – 72.9 |
| L | 37.8 – 40.696.0 – 103.1 | 29.1 – 33.173.9 – 84.1 |
| XL | 40.9 – 44.5103.9 – 113.0 | 33.5 – 37.885.1 – 96.0 |
| 2XL | .9 – 48.4114.0 – 122.938.2 – 42.597.0 – 107.9 |
| UK Size | Low Hip (in) | Waist (in) |
|---|---|---|
| 2XS | .1 – 33.579.0 – 85.123.6 – 24.859.9 – 63.0 | |
| XS | 33.5 – 35.485.1 – 89.9 | 25.2 – 26.864.0 – 68.1 |
| S | 35.4 – 37.889.9 – 96.0 | 27.2 – 28.769.1 – 72.9 |
| M | 37.8 – 40.296.0 – 102.1 | 29.1 – 31.173.9 – 79.0 |
| L | 40.2 – 42.5102.1 – 107.9 | 31.5 – 33.980.0 – 86.1 |
| XL | 42.5 – 44.9107.9 – 114.0 | 34.3 – 36.687.1 – 92.9 |
| 2XL | .9 – 47.2114.0 – 119.937.0 – 39.494.0 – 100.1 |
| UK Size | Bust (in) | Underbust (in) |
|---|---|---|
| 2XS | 30.7 – 31.578.0 – 80.0 | 24.8 – 26.463.0 – 67.1 |
| XS | 31.5 – 33.580.0 – 85.1 | 24.8 – 28.363.0 – 71.9 |
| S | 33.5 – 35.485.1 – 89.9 | 26.8 – 30.368.1 – 76.9 |
| M | 35.4 – 37.489.9 – 95.0 | 28.7 – 32.372.9 – 82.0 |
| L | 37.4 – 39.495.0 – 100.1 | 30.7 – 34.378.0 – 87.1 |
| XL | 39.4 – 41.3100.1 – 104.9 | 32.7 – 36.283.1 – 91.9 |
| 2XL | 41.3 – 43.3104.9 – 109.9 | 34.6 – 38.287.9 – 97.0 |
1- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
2- Bust: Wrap a tape measure around your back and measure the fullest part of your bust. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
3- Underbust: Directly below the bust, wrap a tape measure around the ribcage. Make sure it's straight and parallel to the floor. Raise your head, tighten the tape and breathe normally.
4- Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
5- Hips: Wrap a tape measure around the fullest part of your hips.
6- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Age | Height (in) | Chest (in) | Waist (in) | Low Hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.261.0 – 69.1 | 16.5 – 16.941.9 – 42.9 | 14.6 – 15.237.1 – 38.6 | 16.5 – 17.141.9 – 43.4 |
| 9 months | 27.6 – 28.370.1 – 71.9 | 16.9 – 17.342.9 – 43.9 | 15.2 – 15.638.6 – 39.6 | 17.1 – 17.743.4 – 44.9 |
| 12 months | 28.7 – 29.572.9 – 74.9 | 17.3 – 17.743.9 – 44.9 | 15.6 – 16.139.6 – 40.9 | 17.7 – 18.544.9 – 47.0 |
| 18 months | 29.9 – 31.975.9 – 81.0 | 18.1 – 18.546.0 – 47.0 | 16.3 – 16.941.4 – 42.9 | 18.5 – 19.347.0 – 49.0 |
| 24 months | 32.3 – 34.682.0 – 87.9 | 18.9 – 19.348.0 – 49.0 | 17.3 – 18.143.9 – 46.0 | 19.3 – 20.349.0 – 51.6 |
| 2 – 3 years | 35.0 – 37.488.9 – 95.0 | 19.7 – 20.150.0 – 51.1 | 18.1 – 18.946.0 – 48.0 | 20.3 – 20.951.6 – 53.1 |
| 3 – 4 years | 37.8 – 40.296.0 – 102.1 | 20.5 – 21.352.1 – 54.1 | 19.3 – 20.149.0 – 51.1 | 21.3 – 22.454.1 – 56.9 |
| 4 – 5 years | 40.6 – 44.1103.1 – 112.0 | 21.7 – 22.455.1 – 56.9 | 20.1 – 20.951.1 – 53.1 | 22.8 – 24.057.9 – 61.0 |
| 5 – 6 years | 44.5 – 48.0113.0 – 121.9 | 22.8 – 23.657.9 – 59.9 | 20.9 – 21.753.1 – 55.1 | 24.4 – 25.662.0 – 65.0 |
| 7 – 8 years | 48.4 – 51.2122.9 – 130.0 | 24.4 – 24.862.0 – 63.0 | 21.7 – 22.455.1 – 56.9 | 26.0 – 27.266.0 – 69.1 |
| 8 – 9 years | 51.6 – 55.1131.1 – 140.0 | 25.2 – 26.464.0 – 67.1 | 22.8 – 23.657.9 – 59.9 | 27.6 – 28.770.1 – 72.9 |
| 10 – 11 years | 55.5 – 59.1141.0 – 150.1 | 26.8 – 28.768.1 – 72.9 | 24.0 – 25.261.0 – 64.0 | 29.1 – 30.373.9 – 76.9 |
| 12 – 13 years | 59.4 – 63.0150.9 – 160.0 | 29.1 – 31.573.9 – 80.0 | 25.6 – 27.265.0 – 69.1 | 30.7 – 33.178.0 – 84.1 |
| 14 – 15 years | 63.4 – 67.7161.0 – 171.9 | 31.9 – 34.681.0 – 87.9 | 27.6 – 29.170.1 – 73.9 | 33.5 – 35.885.1 – 90.9 |
| Age | Height (in) | Chest (in) | Waist (in) | Low Hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.261.0 – 69.1 | 15.4 – 16.939.1 – 42.9 | 13.4 – 15.234.0 – 38.6 | 15.4 – 17.139.1 – 43.4 |
| 9 months | 27.6 – 28.370.1 – 71.9 | 16.9 – 17.342.9 – 43.9 | 15.2 – 15.638.6 – 39.6 | 17.1 – 17.743.4 – 44.9 |
| 12 months | 28.7 – 29.572.9 – 74.9 | 17.3 – 17.743.9 – 44.9 | 15.6 – 16.139.6 – 40.9 | 17.7 – 18.544.9 – 47.0 |
| 18 months | 29.9 – 31.975.9 – 81.0 | 18.1 – 18.546.0 – 47.0 | 16.3 – 16.941.4 – 42.9 | 18.5 – 19.347.0 – 49.0 |
| 24 months | 32.3 – 34.682.0 – 87.9 | 18.9 – 19.348.0 – 49.0 | 17.3 – 18.143.9 – 46.0 | 19.3 – 20.349.0 – 51.6 |
| 2 – 3 years | 35.0 – 37.488.9 – 95.0 | 19.7 – 20.150.0 – 51.1 | 18.1 – 18.946.0 – 48.0 | 20.3 – 20.951.6 – 53.1 |
| 3 – 4 years | 37.8 – 40.296.0 – 102.1 | 20.5 – 21.352.1 – 54.1 | 19.3 – 20.149.0 – 51.1 | 21.3 – 22.454.1 – 56.9 |
| 4 – 5 years | 40.6 – 44.1103.1 – 112.0 | 21.7 – 22.455.1 – 56.9 | 20.1 – 20.951.1 – 53.1 | 22.8 – 24.057.9 – 61.0 |
| 5 – 6 years | 44.5 – 48.0113.0 – 121.9 | 22.8 – 23.657.9 – 59.9 | 20.9 – 21.753.1 – 55.1 | 24.4 – 25.662.0 – 65.0 |
| 7 – 8 years | 48.4 – 51.2122.9 – 130.0 | 24.4 – 24.862.0 – 63.0 | 21.7 – 22.455.1 – 56.9 | 26.0 – 27.266.0 – 69.1 |
| 8 – 9 years | 51.6 – 55.1131.1 – 140.0 | 25.2 – 26.464.0 – 67.1 | 22.8 – 23.657.9 – 59.9 | 27.6 – 28.770.1 – 72.9 |
| 10 – 11 years | 55.5 – 58.3141.0 – 148.1 | 26.8 – 28.068.1 – 71.1 | 24.0 – 24.861.0 – 63.0 | 29.1 – 31.973.9 – 81.0 |
| 12 – 13 years | 58.7 – 62.6149.1 – 158.9 | 28.3 – 31.971.9 – 81.0 | 25.2 – 26.464.0 – 67.1 | 32.3 – 35.082.0 – 88.9 |
| 14 – 15 years | 63.0 – 65.4160.0 – 166.1 | 32.3 – 33.982.0 – 86.1 | 26.8 – 28.068.1 – 71.1 | 35.4 – 36.689.9 – 92.9 |
1- Height: Stand against a wall, barefoot or in socks, heels pasted to the wall. Stand right, then hold a book or flat object on the top of your head. Block the book, mark the bottom edge of the book. Measure the distance from the floor to the mark.
2- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
3- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| UK Size | EU Size | Foot Length (in) |
|---|---|---|
| 5.5 | 38.5 | 9.624.5 |
| 6 | 39 | 9.624.5 |
| 6 | 39.5 | 9.825.0 |
| 6.5 | 40 | 10.025.5 |
| 6.5 | 40.5 | 10.025.5 |
| 7 | 41 | 10.226.0 |
| 7.5 | 41.5 | 10.426.5 |
| 7.5 | 42 | 10.426.5 |
| 8 | 42.5 | 10.627.0 |
| 8.5 | 43 | 10.827.5 |
| 9 | 43.5 | 11.027.5 |
| 9.5 | 44 | 11.028.0 |
| 10 | 44.5 | 11.228.5 |
| 10.5 | 45 | 11.228.5 |
| 10.5 | 45.5 | 11.429.0 |
| 11 | 46 | 11.629.5 |
| 11.5 | 46.5 | 11.629.5 |
| UK Size | EU Size | Foot Length (in) |
|---|---|---|
| 2 | 34 | 8.2521.0 |
| 2.5 | 34.5 | 8.521.6 |
| 3 | 35 | 8.722.1 |
| 3 | 35.5 | 8.922.6 |
| 3.5 | 36 | 8.922.6 |
| 4 | 36.5 | 9.123.1 |
| 4.5 | 37 | 9.323.6 |
| 4.5 | 37 | 9.323.6 |
| 5 | 38 | 9.423.9 |
| 5.5 | 38.5 | 9.624.4 |
| 5.5 | 39 | 9.624.4 |
| 6 | 39.5 | 9.824.9 |
| 6.5 | 40 | 10.025.4 |
| 6.5 | 40.5 | 10.025.4 |
| 7 | 41 | 10.225.9 |
| 7.5 | 41.5 | 10.426.4 |
| 8 | 42 | 10.426.4 |
| UK Women's / Men's | EU Size | Foot Length (in) |
|---|---|---|
| W3 / M2.5 | 35 | 8.621.8 |
| W3.5 / M3 | 36 | 8.922.6 |
| W4 / M3.5 | 36.5 | 9.123.1 |
| W4.5 / M4 | 37 | 9.323.6 |
| W5 / M4.5 | 37.5 | 9.323.6 |
| W5.5 / M5 | 38 | 9.423.9 |
| W6 / M5.5 | 39 | 9.624.4 |
| W6.5 / M6 | 39.5 | 9.824.9 |
| W7 / M6.5 | 40 | 10.025.4 |
| W7.5 / M7 | 41 | 10.225.9 |
| W8 / M7.5 | 41.5 | 10.426.4 |
| W8.5 / M8 | 42 | 10.426.4 |
| W9 / M8.5 | 43 | 10.827.4 |
| W9.5 / M9 | 43.5 | 11.027.9 |
| W10 / M9.5 | 44 | 11.027.9 |
| W10.5 / M10 | 44.5 | 11.228.4 |
| W11 / M10.5 | 45 | 11.228.4 |
| W12 / M11 | 46 | 11.629.5 |
| W13 / M12 | 47 | 11.830.0 |
| W14 / M12.5 | 48 | 12.030.5 |
Foot length: Stand against a wall, heels touching the wall. Put an object (e.g. book) against your longest toe. Measure the length between the wall and the object. Repeat this process for the other foot. If the lengths are different, choose the largest.
| UK Size | Head (in) |
|---|---|
| 2XS | 18.5 – 19.747.0 – 50.0 |
| XS | 19.7 – 20.950.0 – 53.1 |
| S | 20.9 – 22.053.1 – 55.9 |
| M | 22.0 – 23.255.9 – 58.9 |
| L | 23.2 – 24.458.9 – 62.0 |
| UK Size | Head (in) |
|---|---|
| 2XS | 17.3 – 19.343.9 – 49.0 |
| XS | 18.5 – 20.547.0 – 52.1 |
| S | 20.5 – 21.752.1 – 55.1 |
| M | 21.7 – 23.255.1 – 58.9 |
| L | 23.2 – 24.458.9 – 62.0 |
| UK Size | Palm perimeter (in) | Hand length (in) |
|---|---|---|
| 2XS | 7.0 – 7.317.8 – 18.5 | 6.3 – 6.616.0 – 16.8 |
| XS | 7.3 – 7.618.5 – 19.3 | 6.7 – 6.917.0 – 17.5 |
| S | 7.6 – 7.919.3 – 20.1 | 7.0 – 7.217.8 – 18.3 |
| M | 8.0 – 8.220.3 – 20.8 | 7.2 – 7.418.3 – 18.8 |
| L | 8.3 – 8.521.1 – 21.6 | 7.4 – 7.718.8 – 19.6 |
| XL | 8.6 – 8.921.8 – 22.6 | 7.7 – 7.919.6 – 20.1 |
| 2XL | 8.9 – 9.222.6 – 23.4 | 8.0 – 8.120.3 – 20.6 |
| 3XL | 9.2 – 9.523.4 – 24.1 | 8.2 – 8.420.8 – 21.3 |
1- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
2- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Bike size | Height |
|---|---|
| 12" | 2'5" – 3'0"73 – 91 cm |
| 14" | 3'0" – 3'5"91 – 104 cm |
| 16" | 3'5" – 3'11"104 – 119 cm |
| 20" | 3'11" – 4'5"119 – 135 cm |
| 24" | 4'5" – 5'1"135 – 155 cm |
| Bike size | Height |
|---|---|
| XS | 5'1" – 5'5"155 – 165 cm |
| S | 5'5" – 5'8"165 – 173 cm |
| M | 5'8" – 5'11"173 – 180 cm |
| L | 5'11" – 6'2"180 – 188 cm |
| XL | 6'2" – 6'7"188 – 200 cm |
| Bike size | Height |
|---|---|
| S | 4'11" – 5'5"150 – 165 cm |
| M | 5'5" – 5'9"165 – 175 cm |
| L | 5'9" – 6'0"175 – 183 cm |
| XL | 6'0" – 6'7"183 – 200 cm |
Size Guide
| UK Size | Chest (in) | Waist (in) |
|---|---|---|
| XS | 33.1 – 34.384.1 – 87.1 | 27.6 – 28.770.1 – 72.9 |
| S | 34.6 – 35.887.9 – 90.9 | 29.1 – 30.373.9 – 76.9 |
| M | 36.2 – 37.491.9 – 95.0 | 30.7 – 31.978.0 – 81.0 |
| L | 37.8 – 40.696.0 – 103.1 | 32.3 – 35.082.0 – 88.9 |
| XL | 40.9 – 44.5103.9 – 113.0 | 35.4 – 39.489.9 – 100.1 |
| 2XL | 44.9 – 48.4114.0 – 122.9 | 39.8 – 43.7101.1 – 111.0 |
| 3XL | 48.8 – 53.1123.9 – 134.9 | 44.1 – 48.4112.0 – 122.9 |
| UK Size | Low Hip (in) | Waist (in) |
|---|---|---|
| XS | 31.5 – 33.580.0 – 85.1 | 26.0 – 28.066.0 – 71.1 |
| S | 33.9 – 35.886.1 – 90.9 | 28.3 – 30.371.9 – 76.9 |
| M | 36.2 – 38.291.9 – 97.0 | 30.7 – 32.778.0 – 83.1 |
| L | 38.6 – 40.998.0 – 103.9 | 33.1 – 35.084.1 – 88.9 |
| XL | 41.3 – 43.7104.9 – 111.0 | 35.4 – 38.289.9 – 97.0 |
| 2XL | 44.1 – 46.5112.0 – 118.1 | 38.6 – 41.398.0 – 104.9 |
| 3XL | 46.9 – 49.6119.1 – 126.0 | 41.7 – 44.5105.9 – 113.0 |
1- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
2- Chest: Wrap a tape measure around your back and measure the fullest part of your chest. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
3- Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
4- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| UK Size | Low Hip (in) | Waist (in) |
|---|---|---|
| 2XS | .5 – 32.780.0 – 83.122.8 – 24.457.9 – 62.0 | |
| XS | 33.1 – 34.384.1 – 87.1 | 24.4 – 25.662.0 – 65.0 |
| S | 34.6 – 35.887.9 – 90.9 | 26.0 – 27.266.0 – 69.1 |
| M | 36.2 – 37.491.9 – 95.0 | 27.6 – 28.770.1 – 72.9 |
| L | 37.8 – 40.696.0 – 103.1 | 29.1 – 33.173.9 – 84.1 |
| XL | 40.9 – 44.5103.9 – 113.0 | 33.5 – 37.885.1 – 96.0 |
| 2XL | .9 – 48.4114.0 – 122.938.2 – 42.597.0 – 107.9 |
| UK Size | Low Hip (in) | Waist (in) |
|---|---|---|
| 2XS | .1 – 33.579.0 – 85.123.6 – 24.859.9 – 63.0 | |
| XS | 33.5 – 35.485.1 – 89.9 | 25.2 – 26.864.0 – 68.1 |
| S | 35.4 – 37.889.9 – 96.0 | 27.2 – 28.769.1 – 72.9 |
| M | 37.8 – 40.296.0 – 102.1 | 29.1 – 31.173.9 – 79.0 |
| L | 40.2 – 42.5102.1 – 107.9 | 31.5 – 33.980.0 – 86.1 |
| XL | 42.5 – 44.9107.9 – 114.0 | 34.3 – 36.687.1 – 92.9 |
| 2XL | .9 – 47.2114.0 – 119.937.0 – 39.494.0 – 100.1 |
| UK Size | Bust (in) | Underbust (in) |
|---|---|---|
| 2XS | 30.7 – 31.578.0 – 80.0 | 24.8 – 26.463.0 – 67.1 |
| XS | 31.5 – 33.580.0 – 85.1 | 24.8 – 28.363.0 – 71.9 |
| S | 33.5 – 35.485.1 – 89.9 | 26.8 – 30.368.1 – 76.9 |
| M | 35.4 – 37.489.9 – 95.0 | 28.7 – 32.372.9 – 82.0 |
| L | 37.4 – 39.495.0 – 100.1 | 30.7 – 34.378.0 – 87.1 |
| XL | 39.4 – 41.3100.1 – 104.9 | 32.7 – 36.283.1 – 91.9 |
| 2XL | 41.3 – 43.3104.9 – 109.9 | 34.6 – 38.287.9 – 97.0 |
1- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
2- Bust: Wrap a tape measure around your back and measure the fullest part of your bust. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
3- Underbust: Directly below the bust, wrap a tape measure around the ribcage. Make sure it's straight and parallel to the floor. Raise your head, tighten the tape and breathe normally.
4- Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
5- Hips: Wrap a tape measure around the fullest part of your hips.
6- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Age | Height (in) | Chest (in) | Waist (in) | Low Hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.261.0 – 69.1 | 16.5 – 16.941.9 – 42.9 | 14.6 – 15.237.1 – 38.6 | 16.5 – 17.141.9 – 43.4 |
| 9 months | 27.6 – 28.370.1 – 71.9 | 16.9 – 17.342.9 – 43.9 | 15.2 – 15.638.6 – 39.6 | 17.1 – 17.743.4 – 44.9 |
| 12 months | 28.7 – 29.572.9 – 74.9 | 17.3 – 17.743.9 – 44.9 | 15.6 – 16.139.6 – 40.9 | 17.7 – 18.544.9 – 47.0 |
| 18 months | 29.9 – 31.975.9 – 81.0 | 18.1 – 18.546.0 – 47.0 | 16.3 – 16.941.4 – 42.9 | 18.5 – 19.347.0 – 49.0 |
| 24 months | 32.3 – 34.682.0 – 87.9 | 18.9 – 19.348.0 – 49.0 | 17.3 – 18.143.9 – 46.0 | 19.3 – 20.349.0 – 51.6 |
| 2 – 3 years | 35.0 – 37.488.9 – 95.0 | 19.7 – 20.150.0 – 51.1 | 18.1 – 18.946.0 – 48.0 | 20.3 – 20.951.6 – 53.1 |
| 3 – 4 years | 37.8 – 40.296.0 – 102.1 | 20.5 – 21.352.1 – 54.1 | 19.3 – 20.149.0 – 51.1 | 21.3 – 22.454.1 – 56.9 |
| 4 – 5 years | 40.6 – 44.1103.1 – 112.0 | 21.7 – 22.455.1 – 56.9 | 20.1 – 20.951.1 – 53.1 | 22.8 – 24.057.9 – 61.0 |
| 5 – 6 years | 44.5 – 48.0113.0 – 121.9 | 22.8 – 23.657.9 – 59.9 | 20.9 – 21.753.1 – 55.1 | 24.4 – 25.662.0 – 65.0 |
| 7 – 8 years | 48.4 – 51.2122.9 – 130.0 | 24.4 – 24.862.0 – 63.0 | 21.7 – 22.455.1 – 56.9 | 26.0 – 27.266.0 – 69.1 |
| 8 – 9 years | 51.6 – 55.1131.1 – 140.0 | 25.2 – 26.464.0 – 67.1 | 22.8 – 23.657.9 – 59.9 | 27.6 – 28.770.1 – 72.9 |
| 10 – 11 years | 55.5 – 59.1141.0 – 150.1 | 26.8 – 28.768.1 – 72.9 | 24.0 – 25.261.0 – 64.0 | 29.1 – 30.373.9 – 76.9 |
| 12 – 13 years | 59.4 – 63.0150.9 – 160.0 | 29.1 – 31.573.9 – 80.0 | 25.6 – 27.265.0 – 69.1 | 30.7 – 33.178.0 – 84.1 |
| 14 – 15 years | 63.4 – 67.7161.0 – 171.9 | 31.9 – 34.681.0 – 87.9 | 27.6 – 29.170.1 – 73.9 | 33.5 – 35.885.1 – 90.9 |
| Age | Height (in) | Chest (in) | Waist (in) | Low Hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.261.0 – 69.1 | 15.4 – 16.939.1 – 42.9 | 13.4 – 15.234.0 – 38.6 | 15.4 – 17.139.1 – 43.4 |
| 9 months | 27.6 – 28.370.1 – 71.9 | 16.9 – 17.342.9 – 43.9 | 15.2 – 15.638.6 – 39.6 | 17.1 – 17.743.4 – 44.9 |
| 12 months | 28.7 – 29.572.9 – 74.9 | 17.3 – 17.743.9 – 44.9 | 15.6 – 16.139.6 – 40.9 | 17.7 – 18.544.9 – 47.0 |
| 18 months | 29.9 – 31.975.9 – 81.0 | 18.1 – 18.546.0 – 47.0 | 16.3 – 16.941.4 – 42.9 | 18.5 – 19.347.0 – 49.0 |
| 24 months | 32.3 – 34.682.0 – 87.9 | 18.9 – 19.348.0 – 49.0 | 17.3 – 18.143.9 – 46.0 | 19.3 – 20.349.0 – 51.6 |
| 2 – 3 years | 35.0 – 37.488.9 – 95.0 | 19.7 – 20.150.0 – 51.1 | 18.1 – 18.946.0 – 48.0 | 20.3 – 20.951.6 – 53.1 |
| 3 – 4 years | 37.8 – 40.296.0 – 102.1 | 20.5 – 21.352.1 – 54.1 | 19.3 – 20.149.0 – 51.1 | 21.3 – 22.454.1 – 56.9 |
| 4 – 5 years | 40.6 – 44.1103.1 – 112.0 | 21.7 – 22.455.1 – 56.9 | 20.1 – 20.951.1 – 53.1 | 22.8 – 24.057.9 – 61.0 |
| 5 – 6 years | 44.5 – 48.0113.0 – 121.9 | 22.8 – 23.657.9 – 59.9 | 20.9 – 21.753.1 – 55.1 | 24.4 – 25.662.0 – 65.0 |
| 7 – 8 years | 48.4 – 51.2122.9 – 130.0 | 24.4 – 24.862.0 – 63.0 | 21.7 – 22.455.1 – 56.9 | 26.0 – 27.266.0 – 69.1 |
| 8 – 9 years | 51.6 – 55.1131.1 – 140.0 | 25.2 – 26.464.0 – 67.1 | 22.8 – 23.657.9 – 59.9 | 27.6 – 28.770.1 – 72.9 |
| 10 – 11 years | 55.5 – 58.3141.0 – 148.1 | 26.8 – 28.068.1 – 71.1 | 24.0 – 24.861.0 – 63.0 | 29.1 – 31.973.9 – 81.0 |
| 12 – 13 years | 58.7 – 62.6149.1 – 158.9 | 28.3 – 31.971.9 – 81.0 | 25.2 – 26.464.0 – 67.1 | 32.3 – 35.082.0 – 88.9 |
| 14 – 15 years | 63.0 – 65.4160.0 – 166.1 | 32.3 – 33.982.0 – 86.1 | 26.8 – 28.068.1 – 71.1 | 35.4 – 36.689.9 – 92.9 |
1- Height: Stand against a wall, barefoot or in socks, heels pasted to the wall. Stand right, then hold a book or flat object on the top of your head. Block the book, mark the bottom edge of the book. Measure the distance from the floor to the mark.
2- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
3- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| UK Size | EU Size | Foot Length (in) |
|---|---|---|
| 5.5 | 38.5 | 9.624.5 |
| 6 | 39 | 9.624.5 |
| 6 | 39.5 | 9.825.0 |
| 6.5 | 40 | 10.025.5 |
| 6.5 | 40.5 | 10.025.5 |
| 7 | 41 | 10.226.0 |
| 7.5 | 41.5 | 10.426.5 |
| 7.5 | 42 | 10.426.5 |
| 8 | 42.5 | 10.627.0 |
| 8.5 | 43 | 10.827.5 |
| 9 | 43.5 | 11.027.5 |
| 9.5 | 44 | 11.028.0 |
| 10 | 44.5 | 11.228.5 |
| 10.5 | 45 | 11.228.5 |
| 10.5 | 45.5 | 11.429.0 |
| 11 | 46 | 11.629.5 |
| 11.5 | 46.5 | 11.629.5 |
| UK Size | EU Size | Foot Length (in) |
|---|---|---|
| 2 | 34 | 8.2521.0 |
| 2.5 | 34.5 | 8.521.6 |
| 3 | 35 | 8.722.1 |
| 3 | 35.5 | 8.922.6 |
| 3.5 | 36 | 8.922.6 |
| 4 | 36.5 | 9.123.1 |
| 4.5 | 37 | 9.323.6 |
| 4.5 | 37 | 9.323.6 |
| 5 | 38 | 9.423.9 |
| 5.5 | 38.5 | 9.624.4 |
| 5.5 | 39 | 9.624.4 |
| 6 | 39.5 | 9.824.9 |
| 6.5 | 40 | 10.025.4 |
| 6.5 | 40.5 | 10.025.4 |
| 7 | 41 | 10.225.9 |
| 7.5 | 41.5 | 10.426.4 |
| 8 | 42 | 10.426.4 |
| UK Women's / Men's | EU Size | Foot Length (in) |
|---|---|---|
| W3 / M2.5 | 35 | 8.621.8 |
| W3.5 / M3 | 36 | 8.922.6 |
| W4 / M3.5 | 36.5 | 9.123.1 |
| W4.5 / M4 | 37 | 9.323.6 |
| W5 / M4.5 | 37.5 | 9.323.6 |
| W5.5 / M5 | 38 | 9.423.9 |
| W6 / M5.5 | 39 | 9.624.4 |
| W6.5 / M6 | 39.5 | 9.824.9 |
| W7 / M6.5 | 40 | 10.025.4 |
| W7.5 / M7 | 41 | 10.225.9 |
| W8 / M7.5 | 41.5 | 10.426.4 |
| W8.5 / M8 | 42 | 10.426.4 |
| W9 / M8.5 | 43 | 10.827.4 |
| W9.5 / M9 | 43.5 | 11.027.9 |
| W10 / M9.5 | 44 | 11.027.9 |
| W10.5 / M10 | 44.5 | 11.228.4 |
| W11 / M10.5 | 45 | 11.228.4 |
| W12 / M11 | 46 | 11.629.5 |
| W13 / M12 | 47 | 11.830.0 |
| W14 / M12.5 | 48 | 12.030.5 |
Foot length: Stand against a wall, heels touching the wall. Put an object (e.g. book) against your longest toe. Measure the length between the wall and the object. Repeat this process for the other foot. If the lengths are different, choose the largest.
| UK Size | Head (in) |
|---|---|
| 2XS | 18.5 – 19.747.0 – 50.0 |
| XS | 19.7 – 20.950.0 – 53.1 |
| S | 20.9 – 22.053.1 – 55.9 |
| M | 22.0 – 23.255.9 – 58.9 |
| L | 23.2 – 24.458.9 – 62.0 |
| UK Size | Head (in) |
|---|---|
| 2XS | 17.3 – 19.343.9 – 49.0 |
| XS | 18.5 – 20.547.0 – 52.1 |
| S | 20.5 – 21.752.1 – 55.1 |
| M | 21.7 – 23.255.1 – 58.9 |
| L | 23.2 – 24.458.9 – 62.0 |
| UK Size | Palm perimeter (in) | Hand length (in) |
|---|---|---|
| 2XS | 7.0 – 7.317.8 – 18.5 | 6.3 – 6.616.0 – 16.8 |
| XS | 7.3 – 7.618.5 – 19.3 | 6.7 – 6.917.0 – 17.5 |
| S | 7.6 – 7.919.3 – 20.1 | 7.0 – 7.217.8 – 18.3 |
| M | 8.0 – 8.220.3 – 20.8 | 7.2 – 7.418.3 – 18.8 |
| L | 8.3 – 8.521.1 – 21.6 | 7.4 – 7.718.8 – 19.6 |
| XL | 8.6 – 8.921.8 – 22.6 | 7.7 – 7.919.6 – 20.1 |
| 2XL | 8.9 – 9.222.6 – 23.4 | 8.0 – 8.120.3 – 20.6 |
| 3XL | 9.2 – 9.523.4 – 24.1 | 8.2 – 8.420.8 – 21.3 |
1- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
2- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Bike size | Height |
|---|---|
| 12" | 2'5" – 3'0"73 – 91 cm |
| 14" | 3'0" – 3'5"91 – 104 cm |
| 16" | 3'5" – 3'11"104 – 119 cm |
| 20" | 3'11" – 4'5"119 – 135 cm |
| 24" | 4'5" – 5'1"135 – 155 cm |
| Bike size | Height |
|---|---|
| XS | 5'1" – 5'5"155 – 165 cm |
| S | 5'5" – 5'8"165 – 173 cm |
| M | 5'8" – 5'11"173 – 180 cm |
| L | 5'11" – 6'2"180 – 188 cm |
| XL | 6'2" – 6'7"188 – 200 cm |
| Bike size | Height |
|---|---|
| S | 4'11" – 5'5"150 – 165 cm |
| M | 5'5" – 5'9"165 – 175 cm |
| L | 5'9" – 6'0"175 – 183 cm |
| XL | 6'0" – 6'7"183 – 200 cm |
Run with Confidence
The Guide 18 elevates comfort to new heights with enhanced PWRRUN cushioning, providing more protection than ever before
Run with Confidence
Run with Confidence. The Guide 18 elevates comfort to new heights with enhanced PWRRUN cushioning, providing more protection than ever before. Our innovative CenterPath™ technology ensures you stay secure and confident with every step. This daily running shoe also features a redesigned upper with breathable mesh for improved airflow and a padded heel collar for a snug fit. Go further with the Guide 18.
- Breathable upper - Everyday wear - CenterPath™ technology - Fresh + secure feel - Max comfort
The Guide 18 elevates comfort to new heights with enhanced PWRRUN cushioning, providing more protection than ever before

CenterPath™ technology
Run with Confidence
Run with Confidence
Run with Confidence. The Guide 18 elevates comfort to new heights with enhanced PWRRUN cushioning, providing more protection than ever before. Our innovative CenterPath™ technology ensures you stay secure and confident with every step. This daily running shoe also features a redesigned upper with breathable mesh for improved airflow and a padded heel collar for a snug fit. Go further with the Guide 18.
- Breathable upper - Everyday wear - CenterPath™ technology - Fresh + secure feel - Max comfort
The Guide 18 elevates comfort to new heights with enhanced PWRRUN cushioning, providing more protection than ever before

CenterPath™ technology
Run with Confidence
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